English verb conjugation
COULD OZONISE

Regular verb: ozonise - ozonised - ozonised

Affirmation

Simple form	V-ing form
I could ozonise you could ozonise he could ozonise we could ozonise you could ozonise they could ozonise	I could be ozonising you could be ozonising he could be ozonising we could be ozonising you could be ozonising they could be ozonising
Perfect	V-ing perfect
I could have ozonised you could have ozonised he could have ozonised we could have ozonised you could have ozonised they could have ozonised	I could have been ozonising you could have been ozonising he could have been ozonising we could have been ozonising you could have been ozonising they could have been ozonising

Negation

Simple form	V-ing form
I could not ozonise you could not ozonise he could not ozonise we could not ozonise you could not ozonise they could not ozonise	I could not be ozonising you could not be ozonising he could not be ozonising we could not be ozonising you could not be ozonising they could not be ozonising
Perfect	V-ing perfect
I could not have ozonised you could not have ozonised he could not have ozonised we could not have ozonised you could not have ozonised they could not have ozonised	I could not have been ozonising you could not have been ozonising he could not have been ozonising we could not have been ozonising you could not have been ozonising they could not have been ozonising

Interrogative form

Simple form	V-ing form
could I ozonise? could you ozonise? could he ozonise? could we ozonise? could you ozonise? could they ozonise?	could I be ozonising? could you be ozonising? could he be ozonising? could we be ozonising? could you be ozonising? could they be ozonising?
Perfect	V-ing perfect
could I have ozonised? could you have ozonised? could he have ozonised? could we have ozonised? could you have ozonised? could they have ozonised?	could I have been ozonising? could you have been ozonising? could he have been ozonising? could we have been ozonising? could you have been ozonising? could they have been ozonising?

Interro-negative form

Simple form	V-ing form
could I not ozonise? could you not ozonise? could he not ozonise? could we not ozonise? could you not ozonise? could they not ozonise?	could I not be ozonising? could you not be ozonising? could he not be ozonising? could we not be ozonising? could you not be ozonising? could they not be ozonising?
Perfect	V-ing perfect
could I not have ozonised? could you not have ozonised? could he not have ozonised? could we not have ozonised? could you not have ozonised? could they not have ozonised?	could I not have been ozonising? could you not have been ozonising? could he not have been ozonising? could we not have been ozonising? could you not have been ozonising? could they not have been ozonising?